The total service capacity of Chengdu Drainage Co., Ltd. under the Group's flag is 2.61 million cubic meters per day. It has 350 square kilometers in the service area of downtown Chengdu and serves more than 4 million people. Eight sewage treatment plants in the central city of Chengdu have a sewage treatment capacity of 1.3 million tons per day and an annual sewage treatment capacity of about 380 million tons, basically covering the sewage treatment in the central city. At present, 14 sewage treatment plants are operated in Sichuan, Gansu, Ningxia, Shaanxi and Guangdong provinces.
The drainage company has obtained the Certificate of Operational Qualification of Environmental Pollution Control Facilities issued by the Ministry of Environmental Protection of China (Class A of Industrial Wastewater and Class A of Domestic Wastewater). The company has implemented a strict internal risk control system, formulated nine categories of 127 management standards, established four categories of 15 professional and complete operation records and analysis system, and the intact rate of key process equipment is more than 95%. The company has also participated in the compilation of the National Standards for Pollutant Discharge from Urban Sewage Treatment Plants (GB18918-2002), and has become the first batch of companies to implement the highest national standards for sewage treatment. It has been running steadily for eight years, and the rate of meeting the standards is 100%. The company has been awarded as the advanced demonstration unit of sewage treatment plant operation for five consecutive times.
Drainage company has mastered the core technology of various sewage treatment processes, has provided dozens of batches of solutions for more than ten sewage treatment plants in China, and developed a variety of key sewage treatment equipment with independent intellectual property rights, and realized the localization of spare parts and maintenance services of various imported equipment.
Drainage companies in the same industry in China took the lead in the real market-oriented transformation, made breakthroughs in cross-regional management, and successfully obtained the franchise of sewage treatment services in Lanzhou, Yinchuan and Xi'an through open bidding.
Drainage company has established ISO9000 quality management, ISO14000 environmental management, ISO18000 occupational health/safety management system, with strong risk control and emergency response capabilities. The company regularly organizes risk identification, complete emergency preparedness plan, predicts possible environmental accidents, and organizes emergency training and drills. The company strengthened the process control, took the lead in improving the on-line monitoring of the central control system in the province, and achieved real-time monitoring of 11 kinds of important operation data, and the relevant historical data were kept for more than one year.